6.5x55 vs 6.5x55se

6.5X55 SE is the correct legal name of the commonly referred to "Swedish Mauser". This is the designation with CIP, the EUR technical authority based in Belgium and signatory nations must comply with all specifications, including name. The designation 6.5X55 Swedish is not correct, but is in common use. The correct name, 6.5X55 SE, was registerd with CIP in the 1890's. Bit of precident there.


Regards,

Peter
 
They are one and the same. To quote wikipedia:

"6.5x55mm or 6.5x55mm SE (C.I.P.) (also known as 6.5x55mm Krag, 6.5x55mm Swedish Mauser or 6,5x55mm Mauser)"
 
Peter,

Little correction, and I'm sure you did not mean it;

The CIP saw light only in 1914 and really took off after WWI.
Also, neither Sweden nor Norway and Denmark are members of the CIP.
The 6.5X55 SE was accepted in the early days of the CIP, though.

The CIP members are Germany, Austria, Belgium, France, UK, Spain, Chile, Finland, Hungary, Italy, Russia, Czech Republic, Slovakia Republic and Yugoslavia.

The most common error is to name the 6.5X55 "Mauser", because just like the 8X57 it was not designed by Paul Mauser. Same goes also for the .45 Auto, commonly named .45 ACP (Automatic Colt Pistol!), wich, is the gun designation, not the ammunition.
 
Will cherck on origins for CIP, but Nammo Lapua Oy state that Paul Mauser and/or DWM designed it. Sweden is not a member is correct, but that's where common name originated.

Regards,

Peter
 
Baribal, couldn't find any refernce to origin, can you please point me in the right direction and I think that you are correct? Members are: Belgium, Czech Republic, Finland, France, Germany, Northern Ireland, Hungary, italy, Slovak Republic, Spain. Not to nitpick!

The Finns could be wrong on designer, but they are a pretty serious bunch.

Regards,

Peter
 
There was a Liège test bench before the CIP. It was founded May 16th, 1672, by the Prince-Bishop of Liege Maximilian-Henry of Bavaria.

I guess Nammo are wrong on that one.
Paul Mauser was pushing the Swedes to adopt the 7mmX57 case, but they wanted something more "Scandinavian" in design.The Joint Commission (Sweden-Norway) designed a semi-rimmed case, called "6.5mm Union cartridge" and tested many other designs such as the 6.5X54R (of course based on the Russian case), but they ended up using the 7X57 rimless as an "inspiration" for their (non-Mauser Standard base) case the 6.5X55 (SE came later with CIP adoption). It was adopted by both countries (and confirmed the King Oscar II) January, 18th, 1894.
 
thanks Baribal, not sure what year my files are, i think about 3 years. Have asked a Finnish firearms engineer and writer about origins of 6.5X55 SE and will post if anything useful.

Regards and thanks!

Peter
 
Good, but I doubt he can bring much more than Dana Jones in his book (Crown Jewels - The Mauser In Sweden - 2003 - ISBN 0-88935-283-6). He used the original paperwork such as correspondance with the Mauserwerke, most by Paul Mauser himself and all other related papers kept in Carl Gustav museum. He also had the collaboration of many well known Swedish collectors / historians, such as Anders Jonassen and Petter Andersson.
In the book there is a complete chapter on the ammunition itself (Chapter XVII), called a Treatise on Ammunition - Genesis of the 6.5X55mm Cartridge.

The last version of the CIP is 2007. You can find it on the cover page, where you have the language menu.
 
Wow, I love to watch experts at work.

Baribal, Peter Dobson, thanks for hashing all that out in public. I probably won't actually remember much; but it'll be available in the search function if I ever need it.
 
Baribal, I will have to get this book on this great catridge. Are you involved in the military or firearms business or a serious enthusiast? Certainly appeciate your input and look forward to further posts.

Regards,

Peter
 
Enthusiast... even if my work took me to the military fields. I am specialized in pressure systems/processes, as a mechanical designer.
Then I apply that to one of my passion, firearms / ammunitions.
I am almost out of military firearms collecting / research now, except maybe for what concerns Canadian (and some Commonwealth) items / firearms.
At the moment, I do "specialize" my collecting in the civilian Mauser and derivatives, but I also have great interest into Lee(-Speed and -Enfield) sporting rifles and Ross (sporting) rifles (especially the .280 RNE) beyond others. I am a big fan of Husqvarna and Scandinavian products and I do shoot and reload for the 6.5X55 for over 20 years, though.
I am also very interested in terminal ballistics.
 
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